•  Gate Valve Series-Flanged Connection Gate Valve Series Z41H/Y/W
Gate Valve Series-Flanged Connection Gate Valve Series Z41H/Y/W

Product Introduction


主要零件和材质 Main parts and materials

序号
   NO
零件名称
   Accessor name
材质 Material
GB系列
1 阀体 Body WCB, LCB, WC6, WC9, CF8, CF3, CF8M, CF3M
2 螺柱 Bonnet bolt 35#, 304, 316, 316L
3 螺母 Nut 45#, 304, 316, 316L
4 中垫 Gasket 不锈钢+石墨 PTFE
5 支架 Yoke WCB, CF8
6 平面轴承 Bearing 45#
7 阀杆螺母 Stem nut ZCuAl10Fe3
8 支架螺母 Nut 45#, 304, 316, 316L
9 手轮 Handwheel 玛钢 QT450-10
10 并帽 Lock nut 45#
11 闸板 Wedge WCB, LCB, WC6, WC9, CF8, CF3, CF8M, CF3M
12 阀盖 Bonnet WCB, LCB, WC6, WC9, CF8, CF3, CF8M, CF3M
13 螺柱 Bonnet bolt 35#, 304, 316, 316
14 螺母 Nut 45#, 304, 316, 316L
15 填料 Packing 石墨 PTFE
16 填料压盖 Gland WCB, WC6, CF8, CF8M
17 活节螺栓 Bonnet bolt 35#, 304, 316, 316
18 阀杆 Stem 20Cr13, 304, 304L, 316, 316L, 38CrMoAL, 25Cr2MoV

产品结构特点 Construction features

1、符合国内外先进标准的要求,密封可靠,性能优良,造型美观。

2、闸板、阀座密封面用铁基合金堆焊或司太立(stellite)钴基硬质合金堆焊而成, 耐磨、耐高温、耐腐蚀、抗擦伤性能好、使用寿命长。

3、采用楔式弹性闸板结构,中大口径设置滚动轴承,开关灵活,启闭轻松。

4、阀杆经调质及表面氮化处理,有良好的抗腐蚀性,抗擦伤性和耐磨性。

5、可采用各种配管法兰标准及法兰密封面型式,满足各种工程需要及用户要求。

6、阀体材料品种齐全,填料、垫片可根据实际工况或用户要求合理选配,能适用 于各种压力、温度及介质工况。

1. Meet the requirements of advanced standards at home and abroad, the sealing is reliable, the performance is excellent, the shape is beautiful.

2. The sealing surface of the gate and seat is made of iron base alloy surfacing or stellite (stellite) cobalt base hard alloy. It is wear-resistant, high temperature,corrosion resistant, good abrasion resistance and long service life.

3. Using wedge-type elastic gate structure, the middle and large diameter has the rolling bearing, the switch is flexible, and the opening and closing is easy.

4. The valve rod is treated with the adjustment and surface nitrification. It has good corrosion resistance, abrasion resistance and abrasion resistance.

5. Various piping flange standard and flange sealing cover type can be used to meet all engineering needs and user requirements.

6. The valve body material is complete, the packing and gasket can be selected according to the actual conditions or users, which can be applied to various pressure,temperature and medium conditions.


产品特征 Spericfications

适用介质:水、气、油品、天然气和酸碱腐蚀性介质

适用温度:-196~425℃

驱动方式:手动、气动、电动等

公称压力:1.0~10.0MPa

公称通径:DN50~1200mm

Applicable media: water, gas, oil, gas and acid and alkali corrosive medium

Applicable temperature: -196~425℃

Driver: manual, pneumatic, electric, etc

Nominal pressure: 1.0~10.0MPa

Nominal size: DN50~1200mm


技术规范 Technical specification

设计依据 Design    reference GB系列 GB series
设计标准 Design standard GB/T12234
结构长度 Face to face GB/T12221
连接法兰 End flange GB/T9113  HG20592
试验和检验 Test & inspection GB/T 26480


试验压力 Test prssure

压力等级
   Pressure grade
试验压力 Test pressure
公称压力    PN
   Nominal pressure
壳体试验
   Sheil test
正密封试验
   Sealing test
反密封试验
   Sealing test
气密封试验
   Air seal test
1.0 1.5 1.1 1.1 0.6
1.6 2.4 1.76 1.76 0.6
2.5 3.75 2.75 2.75 0.6
4.0 6.0 4.4 4.4 0.6
6.3 9.45 6.93 6.93 0.6
10.0 15.0 11.0 11.0 0.6


闸阀结构长度和外接尺寸 Main connection dimensions

PN:1.0 PN:1.6~2.5 PN:4.0~10.0
公称通径
   DN
L
   (mm)
H
   (mm)
D0
   (mm)
L
   (mm)
H
   (mm)
D0
   (mm)
L
   (mm)
H
   (mm)
D0
   (mm)
50 180 345 200 250 350 220 250 360 250
65 195 360 220 265 370 240 280 385 300
80 210 380 240 280 390 280 310 420 300
100 230 430 280 300 435 300 350 450 350
125 255 520 300 325 520 320 400 540 400
150 280 520 300 350 610 350 450 630
200 330 765 400 400 787 400 550 820
250 380 930 450 450 930 450 650 960
300 420 1080 500 500 1080 500 750 1130
350 450 1200 500 550 1250 550 850 1300
400 480 1400 550 600 1430 600 950 1450
450 510 1500 600 650 1520 650 1050 1500
500 540 1630 650 700 1650 700 1150 1680
600 600 1830 700 800 1850 750 1350 1900
700 660 1930 750 900 1950 800 1450 2050
800 720 2170 800 1000 050 850 1650 2170
900 780 2300 850 1100 2150 900


1000 840 2600
1200 2250 950


1200 960 2900